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Applying carburetor heat will

1. Increase the engine output

2. Decrease the engine output

3. Enrich the air/fuel mixture

4. Both B and C

A diesel power plant is best suited as

a. stand by power plant 

b. base load plant

c. peak load plant

d. general purpose plant

 Nuclear Power plant is invariably used as a

a. base load plant

b. peak load plant

c. stand by plant

d. spinning reserve plant

Economizers are used to heat

a. air

b. feedwater

c. steam

d. boiler

Answer correctly this question please

Without graphing, determine if the following data set is exactly linear, approximately linear, or nonlinear: 

Find the area and the perimeter of the rectangle shown to the right.